<div class="control-group">
  <label for="caption">Button's caption</label>
  <input id="caption" name="caption" type="text" required="required" placeholder="Write some caption" value="{$caption|default:''}" />
</div>

<div class="control-group">
  <label for="type">Button's type</label>
  <input id="type" name="type" type="text" required="required" placeholder="submit, button, hidden" value="{$type|default:''}" />
</div>

<div class="control-group">
  <label for="id">Button's id</label>
  <input id="id" name="id" type="text" placeholder="some_id" value="{$id|default:''}" />
</div>

<div class="control-group">
  <label for="name">Button's name</label>
  <input id="name" name="name" type="text" placeholder="some_name" value="{$name|default:''}" />
</div>

<div class="control-group">
  <label for="free">Be Free! add your own attributes</label>
  <input id="free" name="free" type="text" placeholder="class='input-medium'" value="{$free|default:''}" />
</div>
